1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace

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BCFURNACE

100-146

CA$38.49

+5% Tax • Shipping calculated at checkout.

U.S. Duties/Taxes, if applicable, may be due at time of delivery.

Name

OVERFLOW PROTECTION SWITCH

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

Secure Payment
Fast Delivery
Local Pickup

Not sure this fits your furnace? Call us — we're happy to help

Product Details

Description

Ensure your HVAC system operates safely and efficiently with this premium Overflow Protection Switch. Designed as a critical safety component for air handlers and furnace units, this High Limit Control Switch (also known as a Fan Disc Switch) monitors for potential malfunctions, such as excessive heat or condensate buildup. It acts as a fail-safe, automatically interrupting the electrical circuit to prevent system damage, water overflow, or hazardous overheating. This replacement thermal disc is essential for professional HVAC maintenance and repairs, providing peace of mind and protecting your equipment from costly failures. Engineered for durability and precise response times, it is a vital part of a functioning climate control system.

Specifications

Type
Fan Disc / High Limit Control Switch
Size
Small
Application
Commonly used in residential and commercial HVAC systems, including air handlers, furnaces, and heat pumps, to provide thermal protection and prevent condensate pan overflow.
Specifications
Snap-action disc design, high-limit thermal sensitivity, moisture-resistant housing, automatic or manual reset functionality depending on system configuration.

Not sure this is the right part?

Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.

1-778-759-9864

Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com

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Frequently Asked Questions

Is the 100-146 a genuine OEM part?
Yes, the 100-146 is a genuine OEM replacement part manufactured by BCFurnace. We source all Fan Limit Controls from authorized distributors to ensure exact-fit compatibility. This Fan Limit Controls is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
How do I know if the 100-146 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (100-146) with your furnace model number. Visit the BCFurnace page on our site and enter your model number in the search bar — our system will show all compatible Fan Limit Controls for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
How fast can I get the 100-146 shipped?
Most Fan Limit Controls including the 100-146 ship within 1–2 business days from our warehouse. We ship across Canada and the United States with tracking on every order. For urgent BCFurnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
Can I pick up the 100-146 at your store?
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. Fan Limit Controls orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 100-146 is in stock before visiting.

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